import time
import datetime
from selenium import webdriver
from selenium.webdriver.common.action_chains import ActionChains
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

class Qiangpiao():
    def __init__(self,from_station,to_station,depart_time,train_num,passenger):
        self.login_url = 'https://kyfw.12306.cn/otn/resources/login.html'
        self.init_my_url = 'https://kyfw.12306.cn/otn/view/index.html'
        self.order_url = 'https://kyfw.12306.cn/otn/confirmPassenger/initDc'
        # input("出发地：")
        self.from_station = from_station
        # input("目的地：")
        self.to_station = to_station
        # 时间格式必须是M-d的方式
        # input("出发时间(格式必须是M-d的方式)：")
        self.depart_time = depart_time
        # input("列车号：")
        self.train_num = train_num
        self.passenger = passenger
        # 获取当前月份
        self.now_month = datetime.date.today().month

        self.leave_month = int(self.depart_time.split('-')[0])
        self.leave_day = int(self.depart_time.split('-')[1])

        self.driver = webdriver.Edge()

    def _login(self):
        self.driver.get(self.login_url)
        # 窗口最大化
        # self.driver.maximize_window()
        # 设置窗口大小
        self.driver.set_window_size(1300,800)
        #print('调整前尺寸:', self.driver.get_window_size())
        #显式等待
        #这里进行手动登录，可以扫码，也可以输入账号密码点击登录
        WebDriverWait(self.driver,1000).until(EC.url_to_be(self.init_my_url))
        print('登录成功！')

    def _pop_window(self):
        time.sleep(1)
        self.driver.find_element_by_xpath('//*[@class="dzp-confirm"]/div[2]/div[3]/a').click()

    def _enter_order_ticket(self):
        action = ActionChains(self.driver)   # 实例化一个动作链对象
        element = self.driver.find_element_by_link_text('车票')
        # 鼠标移动到 '车票' 元素上的中心点
        action.move_to_element(element).perform()
        # 点击'单程'
        self.driver.find_element_by_xpath('//*[@id="J-chepiao"]/div/div[1]/ul/li[1]/a').click()
        # 消除第二次弹窗
        self.driver.find_element_by_link_text('确认').click()

    def _search_ticket(self):
        #出发地输入
        self.driver.find_element_by_id("fromStationText").click()
        self.driver.find_element_by_id("fromStationText").send_keys(self.from_station)
        self.driver.find_element_by_id("fromStationText").send_keys(Keys.ENTER)
        #目的地输入
        self.driver.find_element_by_id("toStationText").click()
        self.driver.find_element_by_id("toStationText").send_keys(self.to_station)
        self.driver.find_element_by_id("toStationText").send_keys(Keys.ENTER)
        #出发日期输入
        self.driver.find_element_by_id("date_icon_1").click()
        if self.leave_month == self.now_month:
            xpath_str = f"/html/body/div[37]/div[1]/div[2]/div[{self.leave_day}]"
            if EC.element_to_be_clickable((By.XPATH, xpath_str)):
                self.driver.find_element_by_xpath(xpath_str).click()
            else:
                print("当前日期未到或已过售票日期，无法购票！")
        elif self.leave_month == self.now_month + 1:
            xpath_str = f"/html/body/div[37]/div[2]/div[2]/div[{self.leave_day}]"
            if EC.element_to_be_clickable((By.XPATH, xpath_str)):
                self.driver.find_element_by_xpath(xpath_str).click()
            else:
                print("当前日期未到或已过售票日期，无法购票！")
        else:
            print("月份超前一个月以上，无法购票！")
        #等待查询按钮是否可用
        WebDriverWait(self.driver,1000).until(EC.element_to_be_clickable((By.ID,"query_ticket")))
        #执行点击事件
        search_btn = self.driver.find_element_by_id("query_ticket")
        search_btn.click()
        #等待查票信息加载
        WebDriverWait(self.driver, 1000).until(EC.presence_of_element_located((By.XPATH, '//*[@id="queryLeftTable"]/tr')))

    def _order_ticket(self):
        train_num_list = []  # 列车号列表
        train_num_ele_list = self.driver.find_elements_by_xpath('//tr/td[1]/div/div[1]/div/a')  # 列车号元素列表
        for t in train_num_ele_list:    # 遍历列车号元素列表，并把列车号添加到列车号列表
            train_num_list.append(t.text)
        tr_list = self.driver.find_elements_by_xpath('//*[@id="queryLeftTable"]/tr[not(@datatran)]')  #每一列列车整行信息列表，列车号元素是tr的子元素
        if self.train_num in train_num_list:
            for tr in tr_list:
                train_num = tr.find_element_by_xpath("./td[1]/div/div[1]/div/a").text  #取出元素tr里的列车号
                if self.train_num == train_num:
                    #动车二等座余票信息
                    text_1 = tr.find_element_by_xpath("./td[4]").text
                    # 火车二等座余票信息
                    text_2 = tr.find_element_by_xpath("./td[8]").text
                    if (text_1 == "有" or text_1.isdigit()) or (text_2 == "有" or text_2.isdigit()):
                        #点击预订按钮
                        order_btn = tr.find_element_by_class_name("btn72")
                        order_btn.click()
                        #等待订票页面
                        WebDriverWait(self.driver,1000).until(EC.url_to_be(self.order_url))
                        # 选定乘车人
                        self.driver.find_element_by_xpath(f'//*[@id="normal_passenger_id"]/li/label[contains(text(),"{self.passenger}")]').click()
                        #如果乘客是学生，对提示点击确定
                        if EC.presence_of_element_located((By.XPATH, '//div[@id="dialog_xsertcj"]')):
                            self.driver.find_element_by_id('dialog_xsertcj_ok').click()
                            # 提交订单
                            self.driver.find_element_by_id('submitOrder_id').click()
                            time.sleep(2)
                            # 点击确认订单
                            self.driver.find_element_by_id('qr_submit_id').click()
                        else:
                            # 提交订单
                            self.driver.find_element_by_id('submitOrder_id').click()
                            time.sleep(2)
                            # 点击确认
                            self.driver.find_element_by_id('qr_submit_id').click()
                            print("购票成功！")
                            break
                    else:
                        print("二等座无票！")
        else:
            print("无此列车！")

    def run(self):
        #登录
        self._login()
        #消除登录后（第一次）的弹窗
        self._pop_window()
        #进入购票页面
        self._enter_order_ticket()
        #查票
        self._search_ticket()
        #订票
        self._order_ticket()
        #关闭浏览器
        time.sleep(6)
        self.driver.quit()

if __name__ == '__main__':
    qiangpiao = Qiangpiao("兰州","乌鲁木齐","8-6","D55","小红")
    qiangpiao.run()
